/Engine/Plugins/Runtime/Metasound/Source/MetasoundGraphCore/Public/MetasoundDataReference.h
TDataValueReferencerepresents a constant value and provides read only access. ATDataValueReferencecan never change value.
template<typename DataType> class TDataValueReference : public [Metasound::TDataReference< DataType >](API\Plugins\MetasoundGraphCore\TDataReference)